HP Compaq dc7800 User Manual

Control panel message Description Recommended action
4. Replace diskette drive.
5. Replace the system board.
605-Diskette Drive Type Error Mismatch in drive type. 1. Run Computer Setup.
2. Disconnect any other diskette controller
devices (tape drives).
3. Clear CMOS.
610-External Storage Device Failure External tape drive not connected. Reinstall tape drive or press F1 and allow
system to reconfigure without the drive.
611-Primary Floppy Port Address
Assignment Conflict
Configuration error. Run Computer Setup and check the
configuration in Advanced > Onboard
Devices.
660-Display cache is detected unreliable Integrated graphics controller display cache
is not working properly and will be disabled.
Replace system board if minimal graphics
degrading is an issue.
912-Computer Cover Has Been Removed
Since Last System Startup
Computer cover was removed since last
system startup.
No action required.
917-Front Audio Not Connected Front audio harness has been detached or
unseated from motherboard.
Reconnect or replace front audio harness.
918-Front USB Not Connected Front USB harness has been detached or
unseated from motherboard.
Reconnect or replace front USB harness.
921-Device in PCI Express slot failed to
initialize
There is an incompatibility/problem with this
device and the system or PCI Express Link
could not be retrained to an x1.
Try rebooting the system. If the error
reoccurs, the device may not work with this
system
1151-Serial Port A Address Conflict Detected Both external and internal serial ports are
assigned to COM1.
1. Remove any serial port expansion
cards.
2. Clear CMOS.
3. Reconfigure card resources and/or run
Computer Setup or Windows utilities.
1152-Serial Port B Address Conflict Detected Both external and internal serial ports are
assigned to COM2.
1. Remove any serial port expansion
cards.
2. Clear CMOS.
3. Reconfigure card resources and/or run
Computer Setup or Windows utilities.
1155-Serial Port Address Conflict Detected Both external and internal serial ports are
assigned to same IRQ.
1. Remove any serial port expansion
cards.
2. Clear CMOS.
3. Reconfigure card resources and/or run
Computer Setup or Windows utilities.
1201-System Audio Address Conflict
Detected
Device IRQ address conflicts with another
device.
Enter Computer Setup and reset the IRQ in
Advanced > Onboard Devices.
1202-MIDI Port Address Conflict Detected Device IRQ address conflicts with another
device.
Enter Computer Setup and reset the IRQ in
Advanced > Onboard Devices.
1203-Game Port Address Conflict Detected Device IRQ address conflicts with another
device.
Enter Computer Setup and reset the IRQ in
Advanced > Onboard Devices.
Table C-1 Numeric Codes and Text Messages (continued)
POST Numeric Codes and Text Messages 209

HP Compaq dc7800 Specifications

General

Tcase	73.3 °C
Bus type	FSB
Stepping	M0
Processor cache	2 MB
Processor cores	2
Processor model	E4600
System bus rate	- GT/s
Processor family	Intel® Core™2 Duo
Processor series	Intel Core 2 Duo E4000 Series
Processor socket	LGA 775 (Socket T)
Processor codename	Conroe
Processing Die size	111 mm²
Processor frequency	2.4 GHz
Processor cache type	L2
Processor lithography	65 nm
Processor manufacturer	Intel
Processor front side bus	800 MHz
Processor operating modes	64-bit
ECC supported by processor	No
Thermal Design Power (TDP)	65 W
CPU multiplier (bus/core ratio)	12
Number of Processing Die Transistors	167 M
Internal memory	1 GB
Internal memory type	DDR2-SDRAM
Maximum internal memory	8 GB
Memory layout (slots x size)	2 x 0.5 GB
HDD speed	7200 RPM
HDD interface	SATA
Optical drive type	DVD Super Multi
Total storage capacity	160 GB
Audio input	1
LightScribe	Yes
Networking features	Intel 82566DM Gigabit Network Connection
Graphics card RAMDAC	400 MHz
Storage drive controller	SATA 3, 0 Gb/s NCQ SMART VI
Discrete graphics card model	Intel® GMA 3100
Maximum graphics card memory	0.256 GB
Operating system installed	Windows Vista Business
USB 2.0 ports quantity	8
Chassis type	Mini Tower
Country of origin	China
Cable lock slot type	Kensington
Operating altitude	0 - 3048 m
Non-operating altitude	0 - 9144 m
Storage temperature (T-T)	-30 - 60 °C
Operating temperature (T-T)	10 - 35 °C
Storage relative humidity (H-H)	5 - 95 %
Operating relative humidity (H-H)	10 - 90 %
Power supply	365 W
Product type	PC
Processor code	SLA94
Processor ARK ID	32242
Processor package size	37.5 x 37.5 mm

Weight and Dimensions

Depth	452 mm
Width	177 mm
Height	447 mm
Weight	11800 g